git.maemo.org Git - quandoparte/blob - application/stationlistview.cpp

   1 /*
   2
   3 Copyright (C) 2011 Luciano Montanaro <mikelima@cirulla.net>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; see the file COPYING.  If not, write to
  17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18 Boston, MA 02110-1301, USA.
  19
  20 */
  21
  22 #include "stationlistview.h"
  23 #include "ui_stationlistview.h"
  24 #include "stationlistmodel.h"
  25 #include "stationlistproxymodel.h"
  26 #include "keypressforwarder.h"
  27 #include "settingsdialog.h"
  28
  29 #include <QActionGroup>
  30 #include <QDebug>
  31 #include <QKeyEvent>
  32 #include <QSettings>
  33 #include <QSortFilterProxyModel>
  34 #include <QStringListModel>
  35
  36 StationListView::StationListView(StationListModel *model, QWidget *parent) :
  37     QMainWindow(parent),
  38     ui(new Ui::StationListView),
  39     viewSelectionGroup(new QActionGroup(0)),
  40     stationListModel(model),
  41     filterModel(new StationListProxyModel(this)),
  42     keyPressForwarder(new KeyPressForwarder(this)),
  43     positionInfoSource(QGeoPositionInfoSource::createDefaultSource(this)),
  44     m_sortingMode(NoSorting)
  45
  46 {
  47     ui->setupUi(this);
  48 #ifdef Q_WS_MAEMO_5
  49     setAttribute(Qt::WA_Maemo5StackedWindow);
  50     setAttribute(Qt::WA_Maemo5AutoOrientation);
  51     ui->filterClear->setIcon(QIcon::fromTheme("general_close"));
  52 #else
  53     ui->filterClear->setIcon(QIcon::fromTheme("edit-clear"));
  54 #endif
  55
  56     viewSelectionGroup->addAction(ui->sortByNameAction);
  57     viewSelectionGroup->addAction(ui->sortByDistanceAction);
  58     viewSelectionGroup->addAction(ui->sortRecentFirstAction);
  59     filterModel->setSourceModel(stationListModel);
  60     filterModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
  61     ui->listView->setModel(filterModel);
  62     ui->listView->setEditTriggers(QAbstractItemView::NoEditTriggers);
  63     ui->listView->setSelectionMode(QAbstractItemView::SingleSelection);
  64     ui->filterFrame->hide();
  65
  66     keyPressForwarder->setTarget(ui->filterEdit);
  67     ui->listView->installEventFilter(keyPressForwarder);
  68
  69     connect(ui->showAboutAction, SIGNAL(triggered()),
  70             this, SIGNAL(aboutTriggered()));
  71     connect(ui->showSettingsAction, SIGNAL(triggered()),
  72             this, SIGNAL(settingsChangeRequested()));
  73     connect(ui->listView, SIGNAL(activated(QModelIndex)),
  74             SLOT(showStation(QModelIndex)));
  75     connect(ui->filterEdit, SIGNAL(textChanged(const QString &)),
  76             SLOT(handleFilterChanges(const QString &)));
  77     connect(ui->filterClear, SIGNAL(clicked()), SLOT(handlefilterClearClick()));
  78     connect(viewSelectionGroup, SIGNAL(triggered(QAction*)),
  79             SLOT(handleSortingChange(QAction*)));
  80
  81     if (positionInfoSource) {
  82         connect(positionInfoSource, SIGNAL(positionUpdated(QGeoPositionInfo)),
  83                 SLOT(updatePosition(QGeoPositionInfo)));
  84         // Testing only: start updates rigt away.
  85         positionInfoSource->startUpdates();
  86     }
  87
  88     QSettings settings;
  89     SortingMode mode = static_cast<SortingMode>(
  90                 settings.value("StationListView/SortingMode",
  91                                AlphaSorting).toInt());
  92     filterModel->setRecentStations(
  93                 settings.value("RecentStations").toString().split(","));
  94     setSortingMode(mode);
  95 }
  96
  97
  98 StationListView::~StationListView()
  99 {
 100     delete ui;
 101 }
 102
 103 void StationListView::showStation(const QModelIndex &index)
 104 {
 105     qDebug() << "Show Station" << index.data();
 106     emit stationSelected(index.data().toString());
 107 }
 108
 109 void StationListView::handleFilterChanges(const QString &filter)
 110 {
 111     if (!filter.isEmpty())
 112         ui->filterFrame->show();
 113     else
 114         ui->filterFrame->hide();
 115     filterModel->setFilterFixedString(filter);
 116     qDebug() << "Filtering for" << filter;
 117 }
 118
 119 void StationListView::updatePosition(const QtMobility::QGeoPositionInfo &update)
 120 {
 121     qDebug() << "Position update received" << update;
 122     filterModel->setUserPosition(update.coordinate());
 123     filterModel->invalidate();
 124     filterModel->sort(0);
 125 }
 126
 127 void StationListView::handleSortingChange(QAction *action)
 128 {
 129     SortingMode mode = NoSorting;
 130     if (action == ui->sortByNameAction) {
 131         mode = AlphaSorting;
 132         qDebug() << "sort by name";
 133     } else if (action == ui->sortByDistanceAction) {
 134         mode = DistanceSorting;
 135         qDebug() << "sort by distance";
 136     } else if (action == ui->sortRecentFirstAction) {
 137         mode = RecentUsageSorting;
 138         qDebug() << "sort by recent use";
 139     }
 140
 141     QSettings settings;
 142     settings.setValue("StationListView/SortingMode", mode);
 143
 144     setSortingMode(mode);
 145 }
 146
 147 void StationListView::setSortingMode(StationListView::SortingMode mode)
 148 {
 149     qDebug() << "setSorting Mode" << mode << "called";
 150     if (mode != m_sortingMode) {
 151         m_sortingMode = mode;
 152         filterModel->setRecentOnlyFilter(false);
 153
 154         switch (mode) {
 155         case AlphaSorting:
 156             filterModel->setSortRole(Qt::DisplayRole);
 157             ui->sortByNameAction->setChecked(true);
 158             break;
 159         case DistanceSorting:
 160             filterModel->setSortRole(StationListModel::PositionRole);
 161             ui->sortByDistanceAction->setChecked(true);
 162             break;
 163         case RecentUsageSorting:
 164             ui->sortRecentFirstAction->setChecked(true);
 165             filterModel->setRecentOnlyFilter(true);
 166             break;
 167         case NoSorting:
 168         default:
 169             break;
 170         }
 171         filterModel->invalidate();
 172         filterModel->sort(0);
 173         emit sortingModeChanged(mode);
 174     }
 175 }
 176
 177 StationListView::SortingMode StationListView::sortingMode()
 178 {
 179     return m_sortingMode;
 180 }
 181
 182 void StationListView::handlefilterClearClick()
 183 {
 184     ui->filterEdit->clear();
 185 }